It should be noted that while Citigroup and JP Morgan Chase are competing institutions, they are nonetheless entwined through intermarriage between the Rockefeller and Stillman families. (Global Financial Meltdown)

The Rockefellers have been involved in:

The Council on Foreign Relations (Linked to Henry Kissinger) aThe Trilateral Commission (linked to Zbigniew Brzezinski)
The Bilderberg Group
The World Economic Forum
The Brookings Institution

David Rockefeller reportedly has connections to theCIA.

As well as knowing Allen Dulles and his brother John Foster Dulles — who was an in-law of the family [17]- since his college years,[18] it was in Room 3603 in Rockefeller Center that Allen Dulles had set up his WWII operational center after Pearl Harbor, liaising closely with MI6 which also had their principal U.S. operation in the Center.[19]

In Cary Reich's biography of his brother Nelson, a former CIA agent states that David was extensively briefed on covert intelligence operations by himself and other Agency division chiefs, under the direction of David's "friend and confidant", CIA Director Allen Dulles.[22]